From: Development and validation of derivative UV spectroscopic method for simultaneous estimation of nicotinamide and tretinoin in their binary mixtures and pharmaceutical preparations
Precision
NCT RSD%
TRT RSD%
Categorya
253 nm D1
245 nm D2
269 nm D2
348 nm D0
Intraday
0.73
1.02
0.92
0.76
Inter-day 24 h
1.49
0.62
0.97
1.07
Inter-day 48 h
1.89
0.98
1.19
1.51
total repetitions
1.41
0.90
1.00
1.11